Pre-test questions
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Communicable diseases in a pandemic state is known to? | Exist in a wide area
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| Indirect disease transmission (or contact) can be a result of a: | Inanimate object, and Fomite.
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| A symptomatic carrier can be best described as: | Shows signs or symptoms of a disease
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| Vehicle is often described as: | Vector, Fomite, A means of infection
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| Encephalitis causes: | Inflammation of the meninges of the brain and spinal cord.
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| What is the common source of transmission for Hepatitis A? | Milk, Water, Shellfish
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| What is the typical onset time of Hepatitis A? | 6 weeks
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| Rabies is caused by? | A virus
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| Aedes aegypti mosquitoes were implicated in causing: | Yellow Fever
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| Today A.I.D.S in the U.S. can be commonly transmitted by: | Unprotected sexual relations.
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| Cholera can be transmitted by: | Food and water: Lettuce, Ice, Seafood.
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| Botulism bacteria prefer to thrive in what type of environment? | Anaerobic conditions
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| Bubonic plague is caused by what? | Caused by an infected oriental rat flea
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| The pneumonic stage of plague is more contagious than the bubonic stage? T/F | True
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| Classic foodborne intoxication often shows fever as one of the sysmptoms. T/F | False
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| Classic foodborne infections often shows: | Fever
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| Tuberculosis incubates and shows lesions in a human host for an average of: | 4 to 6 weeks
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| Leptospirosis is a bacterial disease which can affect which host? | Rats
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| The Q-fever organism is highly resistant to: | Heat
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| Lymes disease common vector is the: | Tick
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| Red tide can cause: | P.S.P Paralytic Shellfish Poisoning
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| Friable asbestos means: | Easily crumbles
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| Carbon monoxide commonly occurs when: | Unburned fossil fuels
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| The minimum horizontal distance from a well to a sewer line is: | 50 feet for california
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| The definition of turbidity is: | Cloudiness of water, highly concentrated bacteria in a sample of water, extremely hard water.
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| 1% is the same value as: | 10,000 ppm
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| Bio-hazardous waste can include | Infectious waste and Medical Waste
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| The primary concern of the green house effect is: | Increase carbon dioxide build up in the atmosphere, and depletion of the ozone layer, increase in the earth's mean temperature.
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| Landfill and sewage sludge digestion produce: | Methane and carbon dioxide
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| Hemolytic Uremic Syndrome is caused by what organism? | E. coli 0157:H7
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| 3 identical sounds of 100 dB = | 104.8 dB
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| What type of radiation does Radon emit? | Alpha radiation
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| Sound pressure levels is expressed in what units? | Decibels
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| Permissible Exposure Limits: | Are enforceable
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| Cosmic Radiation can | Raise background radiation
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| Using ear plugs to control noise is: | The last step in noise control
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| Which dosimeter gives quick readings? | Pocket chamber
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| Normal classroom lighting requires | 50 foot candles
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| T.D.S. is checked by: | Naphalometric device
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| Catalytic converts depend on: | Noble metals, Heat, and Carbon monoxide
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| Upwind and down wind scenarios relies on | Wind direction
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| Microwaves affect what human organs first: | Gonads and Eyes
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| X-rays and gamma rays are | High level energy forms
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| A lambert is defined as | Reflected surface light
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| SCBA's average use is how long? | 30 minutes
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| Secchi disk is used to do what? | Check turbidity
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| Excessively soft water can increase what? | Lead and Copper
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| Flocculants do what? | Aid in the sedimentation process
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| Haz-Mat waste requires what form? | Manifest
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| The current M.P.N test is: | Coli-lert
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| A diagonal jet is a ? | Water fountain
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| A pool has 600 square feet. Calculate the occupancy load. | 30 people; Pool Occupancy = Area/20
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| A spa has 100 cubic feet of water, how many gallons is that? | 748 gallons; Conversion factor is 1 cubic ft=7.48 gallons
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| A square pool measures 10 feet on each side. The depth is 7 feet. Calculate the volume in gallons: | 5236 gallons. Square pool total gallons = L X W X H X 7.48
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| Jail house fever vector is? | Louse
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| Plasmodium falciparum is? | Mosquito
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| Aniskiasis can be attributed to? | Eating raw fish
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| Active immunity is best described as: | Immunity is formed by a former infection and formed by the body.
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| For the most common port of infection, gastrointestinal disease is ranked: | 2nd
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| People with untreated cholera suffer from: | Circulatory collapse, severe dehydration, electrolyte loss
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| Bubonic plague vector is: | X. cheopis
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| Deerflies prefer to breed in? | Calm waters
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| Toxins produced after the bacteria is called? | Endotoxin
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| Octave wave band analyzers test? | Different frequencies of sound
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| Heat labile toxins are? | Denatured after proper heating (protein based)
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| Staphylococcus aureus: | Picnic organism (in summer)
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| The most common occupational disease is: | Dermatitis
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| Proper hand washing requires: | Warm water, Antibacterial soap, Proper lathering
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| Define Quarantine | When you don't know what the disease is
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| Brucella organism can be tested with? | Blue ring milk test
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| Historically, this killed many of Napoleon's troops | Rickettsia prowazeki variation prowazeki
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| A "bulls-eye" type of wound is caused by? | Lyme disease
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| The vector for yellow fever is? | Aedes mosquito
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| To disinfect tools suspected with anthrax | Formalin solution for 4 hours at 110 degrees F
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| A nosocomial infection means? | Hospital acquired infection
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| Vibrio vulnificus can be lethal to? | People with chronic liver problems
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| Bacillus cereus is commonly implicated in: | Cooked rice and grains
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| Ammonia can be used for: | Cleaning, detecting chlorine leak, and found in outer space
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| The minimum water heater temperature ina restaurant is? | 120 degrees F
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